Careers
TO REGISTER
Contact Us
Estimated time to cross the structure

The Honoré Mercier Bridge is co-managed by the provincial government (MTQ) and JCCBI.

Traffic flow indicators show the estimated time it takes to cross the structure. The zones highlighted in blue on the map are the responsibility of JCCBI.

For MTMD hindrances, we invite you to consult Québec511.
Honoré Mercier Bridge
Toward Montréal:
Toward South Shore:
No hindrance in progress
TO REGISTER

Planned hindrances

Fri
19 Jun
entrave
Sat
20 Jun
entrave
Sun
21 Jun
entrave
Mon
22 Jun
Tue
23 Jun
Wed
24 Jun
Thu
25 Jun
Fri
26 Jun
Sat
27 Jun
Sun
28 Jun
Mon
29 Jun
Tue
30 Jun
Wed
01 Jul
Thu
02 Jul
1 lane open
From June 20, 3:00 am to June 22, 5:00 am Closure of one lane toward South Shore More info
1 lane open
From June 20, 3:00 am to June 22, 5:00 am Closure of one lane toward South Shore More info
1 lane open
From June 20, 3:00 am to June 22, 5:00 am Closure of one lane toward South Shore More info

Work advisories

Honoré Mercier Bridge | Work blitz - Closure of one lane toward South Shore, from June 20 to 22
+ info
1 / 1
Honoré Mercier Bridge

Honoré Mercier Bridge

The Honoré Mercier Bridge, which is co-managed by the provincial government and JCCBI, serves as an example for collaboration with the Mohawk Council of Kahnawà:ke and the expertise of Mohawk contractors. The Bridge crosses the St. Lawrence River and the seaway, on the west side of the Island of Montreal.

Learn More History

Other structures

Jacques Cartier Bridge
Bonaventure Sector
Melocheville Tunnel
Original Champlain Bridge

Normal traffic lane configuration

Weekdays

Mornings from 5:30 a.m. to 9:30 a.m.

  • Continuously: one lane open from Châteauguay
  • Alternating (traffic lights): one lane open from Châteauguay or from La Prairie
  • Two lanes open towards the South Shore

Daytime, evenings, nights, and weekends 

  • Two lanes open towards the South Shore
  • Two lanes open towards Montreal (one from Châteauguay and one from La Prairie)

Traffic is managed by the provincial government.

Discover the Honoré Mercier Bridge
Normal traffic lane configuration

Latest news

See all the news
2
Work, inspections and studies on the Québec Bridge: an update from JCCBI
Work, inspections and studies…
14 May 2026
This morning, at a media briefing in Québec City, The Jacques Cartier and Champlain Bridges Incorporated …
Read more
3
The project to deconstruct the Original Champlain Bridge receives Envision Gold Recognition
The project to deconstruct…
17 June 2026
The Jacques Cartier and Champlain Bridges Incorporated (JCCBI) is very proud to announce that the project to…
Read more
4
Guy Mailhot, Chief Engineer at JCCBI, wins the OIQ Grand prix d’excellence en génie 2026
Guy Mailhot, Chief Engineer…
11 June 2026
We are proud to announce that our Chief Engineer, Guy Mailhot, P.Eng., has won the Grand prix d’excellence en…
Read more
See all the news
Go to top